If your destination is east of Village Center Drive (shown in blue), use Yorba Linda Boulevard/Weir Canyon Road from the Riverside Freeway to get to and from your destination. If your destination is west of Village Center, use Imperial Highway to the greatest extent possible to get to and from your destination.
Mouth ulcers are caused by many disorders. These include: 1  Canker sores. 2  Gingivostomatitis. 3  Herpes simplex (fever blister). 4  Leukoplakia. 5  Oral cancer. 6  Oral lichen planus.
Mouth injury: biting or chewing the inside of the mouth causes ulcers as does the excessive use of a toothbrush. They can also be caused by dental treatment, a sports injury or poorly fitting dentures. Bad diet: a diet lacking in certain vitamins, folic acid or iron can trigger the development of mouth ulcers.